An evil scientist implants the brain of a murdered high school student into an animatronic Tyrannosaurus, who later wreaks vengeance on the bullies who killed him, and is reunited with his sweetheart.

A former cop returns to challenge a plot to escalate gang violence in the streets of Los Angeles.

A brilliant, wheelchair-bound scientist invents a form of exo-skeleton called the Mechanically Augmented Neuro Transmitter Interception System (M.A.N.T.I.S.) that turns him into a superhero and gives him the ability to fight the crime wave that is engulfing his city.